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Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2005 2006 2007 2008 2009 2010 View
History
Proved Reserves as of Dec. 31
370 386 327 248 215 279 1981-2010
Adjustments
30 -11 9 -3 -8 115 1981-2010
Revision Increases
49 56 63 38 45 46 1981-2010
Revision Decreases
41 48 84 69 40 64 1981-2010
Sales
27 54 66 12 0 5 2000-2010
Acquisitions
22 25 52 5 0 23 2000-2010
Extensions
28 75 19 22 15 2 1981-2010
New Field Discoveries
0 18 0 0 0 0 1981-2010
New Reservoir Discoveries in Old Fields
39 34 29 0 0 0 1981-2010
Estimated Production
63 79 81 60 45 53 1981-2010
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 8/2/2012
Next Release Date: 8/30/2013